#container {
  width: 1004px;
  height: fit-content;
  display: flex;
  flex-direction: column;
  margin: 0 auto;
  align-items: center;
}

img {
  border: 0;
  margin: 0;
  padding: 0;
}

#banner {
  width: 520px;
  height: 280px;
}

#slide {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  border: 1px solid gray;
  overflow: hidden;
}

#image1 {
  width: 520px;
  height: 280px;
  margin-left: -520px;
}
#image2 {
  width: 520px;
  height: 280px;
}
#image3 {
  width: 520px;
  height: 280px;
}